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- #include <stdio.h>
- //#include <stdlib.h>
- int main()
- {
- int a=0;
- int b=0;
- int k=0;
- int poz=1; int c=0;
- scanf("%d %d", &a, &b);
- if(a<=0 || b<=0)
- printf("Invalid input");
- else
- {
- if(a<b)
- {k=b; b=a; a=k; }
- else;
- k=0;
- //printf("%d %d %d", a,b);
- if(a<2*b)
- k=0;
- for(int i=a; i>0; i=i/10)
- { c=i%10; //printf("%d $ %d ", c, b%10);
- if(poz%2==0)
- {
- if(c==b%10)
- k=1;
- else
- k=0;
- b=b/10;
- if(b==0)
- b=-6;
- }
- else;
- poz++;
- }// printf("%d", b);
- if(k)
- printf("PAREN");
- else
- printf("NE");
- }
- }
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