#include <stdio.h>
#include <string.h>

int N,M;
int i,j,max;
int maxim;
int V[1000];
int frecv[1000];
int x,a,b;
int a1,b1;

int main()
{
   freopen("marbles.in","rt",stdin);
   freopen("marbles.out","wt",stdout);
   scanf("%d %d", &N,&M);
   max=0;
   memset(V,0,sizeof(V));
   for (i=1;i<=N;++i)
	{
	 scanf("%d %d",&a1,&b1);
	 V[a1]=b1;
	 if (a1>max) max=a1;
	}
   for (j=1;j<=M;++j)
   {
    scanf("%d %d %d",&x,&a,&b);
    if (x==0)
	{
	  V[a+b]=V[a];
	  V[a]=0;
	}
	else
	{
	 for (i=1;i<=max;++i)
	      frecv[i]=0;
	 for (i=a;i<=b;++i)
	      frecv[V[i]]++;
	 maxim=0;
	 for (i=1;i<=max;++i)
	      if (frecv[i]>maxim) maxim=frecv[i];
	 printf("%d\n", maxim);
	}
   }
return 0;
}