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#include<fstream>
using namespace std;
ifstream F("pascal.in");
ofstream G("pascal.out");
int n,m,i,k,c,j;
int main()
{
for(F>>n>>m,i=1;i<(n>>1)+(n&1);++i) {
for(j=n-i+1;j%m==0;j/=m,++c);
for(j=i;j%m==0;j/=m,--c);
if(c>0)
k+=2;
G<<i<<' '<<c<<'\n';
}
if(!(n&1)) {
for(j=n-i+1;j%m==0;j/=m,++c);
for(j=i;j%m==0;j/=m,--c);
if(c>0)
++k;
}
return G<<k,0;
}