#include <stdio.h>
#include <ctype.h>

int main() {
    char choice;
    printf(" 1.Input\n 2.Output\n 3.Order\n 4.Quit\n", "", "", "", "");

	
        choice='i';
        printf("i");
       printf("\n");
        switch (choice) {
            case 'i':
                printf("Please input info of the three stdents:\n");
                int s[3];
                float m[3],w[3],e[3],t[3],a[3];
                 s[0] = 10001;
                m[0] = 85.0;
                w[0] = 99.0;
                e[0] = 77.5;
                s[1] = 10002;
                m[1] = 88.5;
                w[1] = 88.5;
                e[1] = 90.0;
                s[2] = 10003;
                m[2] = 66.0;
                w[2] = 78.5;
                e[2] = 89.5;
                for(int i=0;i<3;i++)
                {
				
                    t[i] = m[i] + w[i]+ e[i];
                    a[i] = t[i] / 3.0;
                }
                for(int p=0;p<2;p++)
                {for(int j=0;j<2-p;j++)
                {if(t[j]>t[j+1])
                {float m=t[j];
                t[j]=t[j+1];
                t[j+1]=m;
                float n=a[j];
                a[j]=a[j+1];
                a[j+1]=n;
                int k=s[j];
                s[j]=s[j+1];
                s[j+1]=k;
                
			}
				}
				}
					for(int i=0;i<3;i++)
	{printf("%d %.1f %.1f\n",s[i],t[i],a[i]);
	}
            case 'o':
                printf("You are trying to Output info\n");
                break;
            case 'm':
                printf("You are trying to Make things ordered\n");
                break;
            case 'q':
                printf("You are about to Quit\n");
                return 0;
            default:
                printf("Wrong input\n");
        }
    
    return 0;
}