c'de yardım

#include<stdio.h> 
  #include<stdlib.h> 
   
  int main() 
  { 
      unsigned long long int sayi,i,sayici,max=0,max2; 
       
      for(sayi=2;sayi<30;sayi++) 
      { 
          i=sayi; 
          sayici=0; 
          max=0; 
          printf("%llu > ",sayi); 
          while(i!=1) 
          { 
               if(i%2==0) 
               { 
                   i=i/2; 
                   printf("%llu > ",i); 
                   sayici++; 
                    
               } 
               else 
               { 
                   i=i*3+1; 
                   printf("%llu > ",i); 
                   sayici++;                  
               }         
               
               
              if(i==1) 
                 if(sayici>max) 
                  { 
                      max=sayici; 
                      max2=sayi; 
                      printf("\n\n"); 
                  } 
               
          } 
      } 
      bit: 
      printf("\n\nsonuc: %llu\n\n",max2); 
      system("pause"); 
      return 0; 
  } 
  

 
  #include<stdio.h> 
  #include<stdlib.h> 
   
  int main() 
  { 
      unsigned long long int sayi,i,sayici,max=0,max2; 
      for(sayi=2;sayi<30;sayi++) 
      { 
          i=sayi; 
          sayici=0; 
          printf("%llu > ",sayi); 
          while(i!=1) 
          { 
  	    if(i%2==0) 
  	    	i=i/2; 
  	    else 
  	    	i=i*3+1;     
  	    printf(" %llu > ",i); 
  	    sayici++;   
          } 
          if(sayici>max) 
          { 
              max=sayici; 
              max2=sayi; 
              printf("\n\n"); 
          } 
      } 
      printf("\n\nsonuc: %llu\n\n",max2); 
      system("pause"); 
      return 0; 
  }