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#include <fstream>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int n,m,dp[250000][19],nr=1;
int trans(int x){
int p=1,s=0;
while(p<=x){
if(p&x)
s+=p;
p=p<<1;
}
return s;
}
int main()
{
int x,y,p,OK=0,s;
fin>>n>>m;
for(int i=1;i<=n;i++)
fin>>dp[i][0];
for(p=1;!OK;p++){
OK=1;
for(int i=1;i<=n;i++)
{
dp[i][p]=dp[dp[i][p-1]][p-1];
if(dp[i][p]!=0)
OK=0;
}
}
for(int i=1;i<=m;i++){
fin>>y>>x;
p=1;
nr=0;
s=y;
while(p<=x && s!=0){
if(p&x)
s=dp[s][nr];
nr++;
p<<=1;
}
fout<<s<<'\n';
}
return 0;
}