/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int s, v;
scanf("%d %d", &s, &v);
printf("%d", s+v);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
float s, v;
scanf("%f %f", &s, &v);
printf("%.2f", s*v);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
long long int s, v;
scanf("%lld %lld", &s, &v);
printf("%lld", s+v);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int s, v;
scanf("%d %d", &s, &v);
printf("%d", s/v);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int s, v;
scanf("%d %d", &s, &v);
printf("%d", s%v);
return 0;
}
0 <= a, b <= 2147483647
0 <= a + b <= 2147483647*2
*/
/*
#include <stdio.h>
int main ()
{
int s, v;
scanf("%d %d", &s, &v);
printf("%d\n%d\n%d\n%d\n%d\n%.2f\n", s+v, s-v, s*v, s/v, s%v, (float)s/v);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
long long int s, v, r;
scanf("%lld %lld %lld", &s, &v, &r);
printf("%lld\n%.1f", s+v+r, ((float)s+v+r)/3);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int s, v;
scanf("%d %d", &s, &v);
printf("%d+%d=%d\n%d-%d=%d\n%d*%d=%d\n%d/%d=%d", s, v, s+v, s, v, s-v, s, v, s*v, s, v, s/v);
return 0;
}
*/