29os Δημήτρης Τούλης

#include <cstdio>

int N,emf[10005],index,s1,s2,s3;

int main(){
    freopen("sch.in","r",stdin);
    freopen("sch.out","w",stdout);
    scanf("%d",&N);
    for(int i = 0;i<N;i++){
        int temp;
        scanf("%d",&temp);
        emf[temp]++;
    }
    int mega1 = emf[0];
    index = 0;
    for(int i=1; i<10000; i++){
        if(mega1<emf[i]){
            mega1 = emf[i];
            s1 = i;
        }
        emf[s1] = 0;
    }

    int mega2 = emf[0];
    index = 0;
    for(int i=1; i<10000; i++){
        if(mega2<emf[i]){
            mega2 = emf[i];
            s2 = i;
        }
        emf[s2] = 0;
    }
    int mega3 = emf[0];
    index = 0;
    for(int i=1; i<10000; i++)
    {
        if(mega3<emf[i]){
            mega3 = emf[i];
            s3 = i;
        }
        emf[s3] = 0;
    }
    printf("%d %d %d",s1,s2,s3);
    return 0;
}