#include<iostream>
using namespace std;

int main()
{
    int n,m;
    int pmax = 0;
    FILE *in = fopen("stramosi.in", "r");
    FILE *out = fopen("stramosi.out", "w");
    fscanf(in,"%d %d",&n,&m);
    //int mat[100][10];
    int nn = n;
    while(nn) {
        ++pmax;
        nn = nn>>1;
    }
    cout << pmax;
    int  ** mat = (int**)malloc( (n+1)*sizeof(int *) );
    for(int i = 0 ; i<=n ; ++i) {
        mat[i] = (int *) malloc( (pmax+1)*sizeof(int));
        for(int j = 0 ; j<= pmax; ++j) {
            mat[i][j] = 0;

        }
        if( i > 0 ) {
            fscanf(in,"%d",&mat[i][0]);
        }


    }
    for(int i=1;i<=pmax; ++i){
        for(int j = 1; j <= n; ++j) {
            int p;
            p = mat[j][i-1];
            mat[j][i] = mat[p][i-1];
        }

    }
    for( int i = 1; i<= m; ++i) {
        int p;
        int q;
        fscanf(in,"%d %d",&q,&p);
        //cout<<q<<" "<<p<<" ";
        int kk = 2;
        if(p >= n)
            q = 0;
        while( kk ) {
            for(int j = pmax; p && q ; --j) {
                //cout<<q<<" "<<p<<" "<<j<<"| ";
                int k = 1<<j;
                if( k <= p) {
                    p -= k;
                    q = mat[q][j];
                }
            }
            --kk;
        }
        //cout<<endl;
        //if( q != 0 && p==0 )
        fprintf(out,"%u\n",q);
        //else fprintf(out,"0\n");
    }
    /*for(int i = 1; i<=n ; i++) {
        for(int j = 0 ; j<= pmax; j++) {
            cout<<"\t"<<mat[i][j]<<" ";
        }
        cout<<endl;
    }*/
    fclose(in);
    fclose(out);
    return 0;
}