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- #include <stdio.h>
- #include <stdlib.h>
- #include <math.h>
- int main()
- {
- int N,X,max,min,ctr=1,flag=0;
- scanf("%d%d",&N,&X);
- if(N<=0 || X<=0)
- {
- printf("Invalid input");
- }
- else
- {
- if(N>X)
- {
- max=N;
- min=X;
- }
- else
- {
- max=X;
- min=N;
- }
- while(max)
- {
- if(ctr%2==0)
- {
- if(max%10 == min%10)
- {
- flag=1;
- max /= 10;
- min /= 10;
- }
- else
- {
- flag=0;
- break;
- }
- }
- else
- {
- max/=10;
- }
- ctr++;
- }
- if(flag==0)
- {
- printf("NE");
- }
- else
- printf("PAREN");
- }
- return 0;
- }
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