/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
a + b
a - b
a * b
a / b
a % b
*/
/*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d", &a,&b);
printf("%d",a/b);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a%b);
return 0;
}*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d\n",a+b);
printf("%d\n",a-b);
printf("%d\n",a*b);
printf("%d\n",a/b);
printf("%d\n",a%b);
printf("%.2lf\n",(float)a/b);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
int a, b, c;
scanf("%d %d %d",&a, &b, &c);
printf("%d\n%.1f", a + b + c,(float) (a + b + c) / 3);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a%b);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d",&a );
printf("%d %d",a/60, a%60);
return 0;
}*/