#include <stdio.h>
int main()
{
int age = 0;
//输入
scanf("%d", &age);
//计算
long sec = age * (long)3.156e7;
//输出
printf("%ld\n", sec);
return 0;
}
#include <stdio.h>
int main()
{
int age = 0;
//输入
scanf("%d", &age);
//计算
long sec = age * (long)3.156e7;
//输出
printf("%ld\n", sec);
return 0;
}