#include<bits/stdc++.h>

#define N 2001
#define ll long long

using namespace std;
ll n,m,t,k,ans,cnt;
ll C[N+5][N+5],sum[N+5][N+5],a[N+5][N+5];

inline ll read()
{
    int x=0,f=1;char c=getchar();
    while(c>‘9‘||c<‘0‘){if(c==‘-‘)f=-1;c=getchar();}
    while(c>=‘0‘&&c<=‘9‘){x=x*10+c-‘0‘;c=getchar();}
    return x*f;
}

void init()
{
    for(int i=0;i<=N;i++) C[i][i]=C[i][0]=1;
    for(int i=1;i<=N;i++) for(int j=1;j<i;j++)
    {
        C[i][j]=(C[i-1][j]+C[i-1][j-1])%k;
        if(C[i][j]==0) a[i][j]++;
    }
    for(int i=1;i<=N;i++) for(int j=1;j<=N;j++)
        sum[i][j]=sum[i-1][j]+sum[i][j-1]-sum[i-1][j-1]+a[i][j];
    
}

int main()
{
    t=read();k=read();
    init();
    while(t--)
    {
        n=read();m=read();
        printf("%lld\n",sum[n][m]);
    }
    return 0;
}