jejefy

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<ctype.h>

//Made by the disgraceful CS student from USC.

int main(void)
{
    int x, y=0, z;
    char jeje[100];
    printf("WELCOME TO JEJEFIER ENTER YOUR PHRASE.\n");
    gets(jeje);
    for(x=0;jeje[x]!='\0';x++){
        switch(jeje[x]){
            case 'a': jeje[x]='4'; break;
            case 'l': jeje[x]='7'; break;
            case 's': jeje[x]= '5'; break;
            case 'o': jeje[x]= '0'; break;
            case 't': jeje[x]= '+'; break;
            case 'i': jeje[x]= '1'; break;
            case 'e': jeje[x]= '3'; break;
            case 'g': jeje[x]= '6'; break;
        }
        if(isdigit(jeje[x])==0){
            if(isupper(jeje[x])==0){
                if(y==1){
                    jeje[x] = toupper(jeje[x]);
                    y = 0;
                }
                else{
                    y = 1;
                }
            }
        }
    }
    for(x=0, z=1;jeje[x]!='\0';){
        int randnumber = rand() % 2;
        if(randnumber == 1 && z==1){
            memmove(&jeje[x+1], &jeje[x], sizeof(char) + (strlen(jeje)-x));
            x=x+2;
        }
        else{
            if(z==1){
                z=0;
            }
            x++;
        }

    }
    puts(jeje);
}