UVA 10683 The decadary watch

#include<bits/stdc++.h>
using namespace std;

int main(){
    string s;
    int hr,mnt,scnd,cc,total;
    double ans,x,y;
    x=24*60*60*100*1.0;
    y=10*100*100*100*1.0;
    while(cin>>s){
        hr=(s[0]-'0')*10+(s[1]-'0');
        mnt=(s[2]-'0')*10+(s[3]-'0');
        scnd=(s[4]-'0')*10+(s[5]-'0');
        cc=(s[6]-'0')*10+(s[7]-'0');
        total=(hr*3600+mnt*60+scnd)*100+cc;
        ans=total*(y/x);
        printf("%07d\n",int(ans));

    }

    return 0;
}