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using namespace std;
int main() { int a[N],b[N],i,k; char p; for(i=0; p!='n';++i) { cin>>a[i]>>b[i]; if(abs(a[i])>1000||b[i]>1000||b[i]<0||a[i]==0&&b[i]!=0) return 0; if(b[0]==0) { cout<<"0 0"; return 0; } p=cin.get(); } k=i; for(i=0;i<=k;++i) {
if(b[i]==0) return 0; if(i<=k-1&&b[i]<=b[i+1]) return 0; if(a[i]!=0) { cout<<b[i]*a[i]<<" "<<b[i]-1; if(i<k&&b[i+1]!=0) cout<<" ";
} }
return 0; }
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