#include <cstdio> using namespace std; int mid(int a,int b,int c){ if(a>=b&&a>=c){ if(b>=c){ return b; } else{ return c; } } else if(a<=b&&a<=c){ if(b>=c){ return c; } else{ return b; } } else{ return a; } } int maxnum(int a,int b,int c){ if(a>=b&&a>=c){ return a; } else if(b>=a&&b>=c){ return b; } else if(c>=b&&c>=a){ return c; } else{ return c; } } int minnum(int a,int b,int c){ if(a<=b&&a<=c){ return a; } else if(b<=a&&b<=c){ return b; } else if(c<=b&&c<=a){ return c; } else{ return c; } } int main(){ int a,b,c; while (scanf("%d%d%d",&a,&b,&c)!=EOF){ printf("%d\n", minnum(a,b,c)+mid(a,b,c)- maxnum(a,b,c)); } }