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#include <iostream>

using namespace std;

int main()
{
    int M;
    cin >> M;

for ( int i=9999; i>999; i-=1){
        int zbir;
        zbir = 0;
        int tmp=i;
        while(i>0){
            int cifra;
            cifra=i%10;
            i/=10;
            if ( cifra ==0){
                zbir+=6;
            }
            else if ( cifra==1){
                zbir+=3;
            }
            else if ( cifra==2){
                zbir+=5;
            }
            else if (cifra==3){
                zbir+=5;
            }
            else if (cifra==4){
                zbir+=4;
            }
            else if (cifra==5){
                zbir+=5;
            }
            else if (cifra==6){
                zbir+=5;
            }
            else if (cifra==7){
                zbir+=3;
            }
            else if (cifra==8){
                zbir+=7;
            }
            else if (cifra==9){
                zbir+=5;
            }

}
            i=tmp;
            if ( M==zbir){
                cout << i << endl;
                return 0;
            }
    }
    cout << -1 << endl;
    return 0;
}

Mark as private (unlisted)