#include using namespace std; int n,m,t,x,v,l,r,h,a[100100],s[100100]; void modify(int i) { int v=1; if (a[i]) { a[i]=0; v=-1; } else a[i]=1; for (; i<=n; i=(i<<1)-(i&(i-1))) s[i]+=v; } int sum(int i) { int r=0; for (; i>0; i&=i-1) r+=s[i]; return r; } int main() { scanf("%d%d",&n,&m); while (m--) { scanf("%d%d",&t,&x); if (t==1) { modify(x); scanf("%d",&x); modify(x+1); } else { v=sum(x); l=1; r=x; while (l