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#include <stdio.h>
#include <stdlib.h>
int v[1000001];
int main(){
FILE*fin=fopen("elmaj.in", "r");
FILE*fout=fopen("elmaj.out", "w");
int n, i, maj, nr;
fscanf(fin, "%d", &n);
for(i=1; i<=n; i++)
fscanf(fin, "%d", &v[i]);
maj=v[1];
nr=1;
for(i=2; i<=n; i++){
if(v[i]==maj)
nr++;
else{
nr--;
if(nr<0){
maj=v[i];
nr=1;
}
}
}
nr=0;
for(i=1; i<=n; i++)
if(maj==v[i])
nr++;
if(nr>=n/2+1)
fprintf(fout, "%d %d", maj, nr);
else
fprintf(fout, "-1");
return 0;
}