diff --git a/Student/task3/test/21_float_defn.out b/Student/task3/test/21_float_defn.out
new file mode 100644
index 0000000..d99e90e
--- /dev/null
+++ b/Student/task3/test/21_float_defn.out
@@ -0,0 +1 @@
+29
\ No newline at end of file
diff --git a/Student/task3/test/21_float_defn.sy b/Student/task3/test/21_float_defn.sy
new file mode 100644
index 0000000..5fd78d0
--- /dev/null
+++ b/Student/task3/test/21_float_defn.sy
@@ -0,0 +1,8 @@
+float a,b;
+
+int main(){
+    a=10.2;
+    b=5.3;
+    float c=a*2+b*1.1+3.6;
+    return c;
+}
\ No newline at end of file
diff --git a/Student/task3/test/22_float_array.out b/Student/task3/test/22_float_array.out
new file mode 100644
index 0000000..c227083
--- /dev/null
+++ b/Student/task3/test/22_float_array.out
@@ -0,0 +1 @@
+0
\ No newline at end of file
diff --git a/Student/task3/test/22_float_array.sy b/Student/task3/test/22_float_array.sy
new file mode 100644
index 0000000..81defce
--- /dev/null
+++ b/Student/task3/test/22_float_array.sy
@@ -0,0 +1,5 @@
+float a[2] = {1.2, 1.3};
+int main(){
+	a[1] = 3.3;
+	return 0;
+}
diff --git a/Student/task3/test/23_const_defn_infunc.out b/Student/task3/test/23_const_defn_infunc.out
new file mode 100644
index 0000000..bf0d87a
--- /dev/null
+++ b/Student/task3/test/23_const_defn_infunc.out
@@ -0,0 +1 @@
+4
\ No newline at end of file
diff --git a/Student/task3/test/23_const_defn_infunc.sy b/Student/task3/test/23_const_defn_infunc.sy
new file mode 100644
index 0000000..a6c7cc9
--- /dev/null
+++ b/Student/task3/test/23_const_defn_infunc.sy
@@ -0,0 +1,6 @@
+const int x=4;
+
+int main(){
+    const int x=4;
+    return x;
+}
\ No newline at end of file
diff --git a/Student/task3/test/24_const_float_array_defn.out b/Student/task3/test/24_const_float_array_defn.out
new file mode 100644
index 0000000..f11c82a
--- /dev/null
+++ b/Student/task3/test/24_const_float_array_defn.out
@@ -0,0 +1 @@
+9
\ No newline at end of file
diff --git a/Student/task3/test/24_const_float_array_defn.sy b/Student/task3/test/24_const_float_array_defn.sy
new file mode 100644
index 0000000..87b2b05
--- /dev/null
+++ b/Student/task3/test/24_const_float_array_defn.sy
@@ -0,0 +1,7 @@
+const float a[5]={0.2,1.33,2.4,3.5,4.6};
+const int b = 3;
+float c = a[b + 1];
+
+int main(){
+    return a[4] + c;
+}
\ No newline at end of file
diff --git a/Student/task3/test/25_float_func.out b/Student/task3/test/25_float_func.out
new file mode 100644
index 0000000..62f9457
--- /dev/null
+++ b/Student/task3/test/25_float_func.out
@@ -0,0 +1 @@
+6
\ No newline at end of file
diff --git a/Student/task3/test/25_float_func.sy b/Student/task3/test/25_float_func.sy
new file mode 100644
index 0000000..1217761
--- /dev/null
+++ b/Student/task3/test/25_float_func.sy
@@ -0,0 +1,13 @@
+float a,b,c;
+
+void add(float a,float b){
+    c=a+b;
+    return;
+}
+
+int main(){
+    a=3.3;
+    b=2.8;
+    add(a,b);
+    return c;
+}
\ No newline at end of file
diff --git a/Student/task3/test/26_if_nest.out b/Student/task3/test/26_if_nest.out
new file mode 100644
index 0000000..c227083
--- /dev/null
+++ b/Student/task3/test/26_if_nest.out
@@ -0,0 +1 @@
+0
\ No newline at end of file
diff --git a/Student/task3/test/26_if_nest.sy b/Student/task3/test/26_if_nest.sy
new file mode 100644
index 0000000..89f8b93
--- /dev/null
+++ b/Student/task3/test/26_if_nest.sy
@@ -0,0 +1,15 @@
+int a;
+int main(){
+	a = -10;
+	if( a>0 ){
+		return 1;
+	}
+	else{
+        if(a > -5) {
+            return 2;
+        }
+        else {
+            return 0;
+        }
+	}
+}
diff --git a/Student/task3/test/27_while_nest.out b/Student/task3/test/27_while_nest.out
new file mode 100644
index 0000000..2b82dfe
--- /dev/null
+++ b/Student/task3/test/27_while_nest.out
@@ -0,0 +1 @@
+60
\ No newline at end of file
diff --git a/Student/task3/test/27_while_nest.sy b/Student/task3/test/27_while_nest.sy
new file mode 100644
index 0000000..c433ba0
--- /dev/null
+++ b/Student/task3/test/27_while_nest.sy
@@ -0,0 +1,21 @@
+int a;
+int b;
+int main(){
+	b=0;
+	a=3;
+    int sum = 0;
+	while(b<10){
+        b = b+1;
+		while(a > 0) {
+            a = a-1;
+            sum = sum + b;
+        }
+        sum = sum + b;
+	}
+
+	while(b < 12) {
+		sum = sum + 1;
+		b = b+1;
+	}
+	return sum;
+}
diff --git a/Student/task3/test/28_cond.in b/Student/task3/test/28_cond.in
new file mode 100644
index 0000000..316bd14
--- /dev/null
+++ b/Student/task3/test/28_cond.in
@@ -0,0 +1 @@
+3 2
\ No newline at end of file
diff --git a/Student/task3/test/28_cond.out b/Student/task3/test/28_cond.out
new file mode 100644
index 0000000..e440e5c
--- /dev/null
+++ b/Student/task3/test/28_cond.out
@@ -0,0 +1 @@
+3
\ No newline at end of file
diff --git a/Student/task3/test/28_cond.sy b/Student/task3/test/28_cond.sy
new file mode 100644
index 0000000..e3560f1
--- /dev/null
+++ b/Student/task3/test/28_cond.sy
@@ -0,0 +1,22 @@
+int a;
+int b;
+int main(){
+	a = getint();
+	b = getint();
+	if ( a == b ){
+		return 1;
+	}
+    if ( a <= b ){
+		return 2;
+	}
+    if ( a < b ){
+		return 3;
+	}
+    if ( a != b){
+		return 4;
+	}
+    if ( a >= b){
+		return 5;
+	}
+    return 0;   
+}