diff --git a/Student/task3/test.py b/Student/task3/test.py
index cede8f7..d09ee26 100644
--- a/Student/task3/test.py
+++ b/Student/task3/test.py
@@ -76,6 +76,7 @@ if __name__ == "__main__":
     # you can only modify this to add your testcase
     TEST_DIRS = [
                 './test/',
+                './test_stu/'
                 ]
     # you can only modify this to add your testcase
 
diff --git a/Student/task3/test_stu/.gitkeep b/Student/task3/test_stu/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/Student/task3/test_stu/Dec_to_Bin.in b/Student/task3/test_stu/Dec_to_Bin.in
new file mode 100644
index 0000000..9a03714
--- /dev/null
+++ b/Student/task3/test_stu/Dec_to_Bin.in
@@ -0,0 +1 @@
+10
\ No newline at end of file
diff --git a/Student/task3/test_stu/Dec_to_Bin.out b/Student/task3/test_stu/Dec_to_Bin.out
new file mode 100644
index 0000000..cc443b5
--- /dev/null
+++ b/Student/task3/test_stu/Dec_to_Bin.out
@@ -0,0 +1,2 @@
+0000001010
+0
\ No newline at end of file
diff --git a/Student/task3/test_stu/Dec_to_Bin.sy b/Student/task3/test_stu/Dec_to_Bin.sy
index 6022f0b..80118d9 100644
--- a/Student/task3/test_stu/Dec_to_Bin.sy
+++ b/Student/task3/test_stu/Dec_to_Bin.sy
@@ -9,7 +9,7 @@ void Dec_to_Bin(int x)
         i = i + 1;
     }
 }
-int main(void)
+int main()
 {
     int x;
     x = getint();
diff --git a/Student/task3/test_stu/Fibonacci.in b/Student/task3/test_stu/Fibonacci.in
new file mode 100644
index 0000000..9a03714
--- /dev/null
+++ b/Student/task3/test_stu/Fibonacci.in
@@ -0,0 +1 @@
+10
\ No newline at end of file
diff --git a/Student/task3/test_stu/Fibonacci.out b/Student/task3/test_stu/Fibonacci.out
new file mode 100644
index 0000000..16a0820
--- /dev/null
+++ b/Student/task3/test_stu/Fibonacci.out
@@ -0,0 +1,2 @@
+11235813213455
+0
\ No newline at end of file
diff --git a/Student/task3/test_stu/poly.in b/Student/task3/test_stu/poly.in
new file mode 100644
index 0000000..4275cfe
--- /dev/null
+++ b/Student/task3/test_stu/poly.in
@@ -0,0 +1,2 @@
+5
+5 5 5 5 5
\ No newline at end of file
diff --git a/Student/task3/test_stu/poly.out b/Student/task3/test_stu/poly.out
new file mode 100644
index 0000000..b44fe09
--- /dev/null
+++ b/Student/task3/test_stu/poly.out
@@ -0,0 +1 @@
+65
\ No newline at end of file
diff --git a/Student/task3/test_stu/prime.out b/Student/task3/test_stu/prime.out
new file mode 100644
index 0000000..9176482
--- /dev/null
+++ b/Student/task3/test_stu/prime.out
@@ -0,0 +1,2 @@
+2357111317192329313741434753596167717379838997
+25
\ No newline at end of file
diff --git a/Student/task3/test_stu/prime.sy b/Student/task3/test_stu/prime.sy
index afbb87f..1c35ef7 100644
--- a/Student/task3/test_stu/prime.sy
+++ b/Student/task3/test_stu/prime.sy
@@ -1,4 +1,4 @@
-int main(void)
+int main()
 {
     int i = 2;
     int j;
diff --git a/Student/task3/test_stu/sort.in b/Student/task3/test_stu/sort.in
new file mode 100644
index 0000000..ef7a94d
--- /dev/null
+++ b/Student/task3/test_stu/sort.in
@@ -0,0 +1 @@
+5 6 7 8 9
\ No newline at end of file
diff --git a/Student/task3/test_stu/sort.out b/Student/task3/test_stu/sort.out
new file mode 100644
index 0000000..225177c
--- /dev/null
+++ b/Student/task3/test_stu/sort.out
@@ -0,0 +1,2 @@
+9 8 7 6 5 
+0
\ No newline at end of file