/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}*/
/*#include <stdio.h>
int main()
{
unsigned int n;
scanf("%u", &n);
printf("%u", n);
}*/
/*#include <stdio.h>
int main()
{
int a, b;
scanf("%d %d", &a, &b);
printf("%d", a/b);
return 0;
}*/
/*#include <stdio.h>
int main()
{
long long int a;
scanf("%lld",&a);
printf("%lld",++a);
}*/
/*
#include <stdio.h>
int main()
{
long long int a, b, c;
scanf("%lld %lld %lld",&a,&b, &c);
printf("%lld\n",a+b+c);
printf("%.1lf",(a+b+c)/3.0);
}
*/