Contest3182 - the 39th individual training match for 2021 freshmen_ E: ringring

//  Write a template   look for 200 No problem at all 
#include<bits/stdc++.h>
using namespace std;

const int INF=0x3f3f3f3f;

int a[11];
int ans;

void init()
{
    ans=INF;
    memset( a,0,sizeof( a ) );
}

void dfs( int x,int y,int z )
{
    if( y==2 ) ans=min( ans,z );
    if( x>=3 ) return ;

    dfs( x+1,y+1,z+a[x] );
    dfs( x+1,y,z );
}

int main()
{
    init();
    while( ~scanf("%d%d%d",&a[0],&a[1],&a[2]) )
    {
        dfs( 0,0,0 );
        printf("%d\n",ans);
        init();
    }
    return 0;
}