#include<stdio.h>
int main()
{
    int x;
    scanf("%d",&x);
    if(x<=100)
        printf("%d",2*x);
    if(x>100)
        printf("%d",100+x);
        return 0;
}

/**************************************************************
	Problem: 1637
	User: admin
	Language: C
	Result: Accepted
	Time:13 ms
	Memory:1144 kb
****************************************************************/