#include "stdio.h" 
  #include "conio.h" 
  #include "stdlib.h" 
  #include "string.h" 
  int main() 
  {int ote,m,i,j,uz; 
         
        char alfa[27]="abcdefghijklmnopqrstuvwxyz"; 
        char sayilar[11]={'1','2','3','4','5','6','7','8','9','0'}; 
        char dizi[255]; 
        
         
        printf("Sifrelenecek metni girin="); 
        gets(dizi); 
        printf("Sifreleme Kodunu giriniz="); 
        scanf("%d",&ote); 
        uz=strlen(dizi); 
         
                         for(m=0;m<uz;m++)//1. for 
        { 
                         for(i=0;i<26;i++)//2. for 
        { 
                         for(j=0;j<10;j++)//3. for 
        { 
                         if(dizi[m]==alfa[i])  
                         { 
                                              printf("%c",alfa[(i+ote)%26]);ote++; 
                                              break;} 
                         else if(dizi[m]==' ') printf("%c",dizi[m]); 
   
                         else if(dizi[m]==sayilar[j])  
                         { 
                               
                              printf("%c",sayilar[j]);break; 
                              } 
   
                               
                           
        }//3. for sonu 
        }//2. for sonu 
        }//1. for sonu 
        getch();}